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Finding the Fourth Proportional to 125,474.99, 188,112.09 and 65,473.37

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Solution

The fourth proportional to 125,474.99, 188,112.09 and 65,473.37 is: 98,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,474.99 : 188,112.09 = 65,473.37 : x
  2. Step 2: Convert to fraction form
    125,474.99/188,112.09 = 65,473.37/x
  3. Step 3: Cross multiply
    125,474.99x = 188,112.09 × 65,473.37
  4. Step 4: Simplify right side
    125,474.99x = 12,316,332,470.04
  5. Step 5: Solve for x
    x = 12,316,332,470.04/125,474.99
  6. Step 6: Final answer
    x = 98,157.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.